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In this interview from in front of the Canada Glacier in Antarctica’s Taylor Valley, Hassan Basagic from Portland State University describes the essential role of polar glaciers in supporting the bare-bones ecosystems in the Dry Valleys.

UC Berkeley astrophysicist Bill Holzapfel takes us on a tour of the South Pole Telescope and explains how it is unlocking the secrets of the Universe.

We tour the NOAA Atmospheric Research Observatory at the South Pole where scientists are monitoring carbon dioxide levels, CFCs, solar radiation, and the ozone hole.

We take a tour of Black Island, and speak with Tony Marchetti who for the last 13 years has been running this vital communications station for the U.S. Antarctic operations.

Adelie Penguins bicker around their nests at Cape Royds, Ross Island, Antarctica.

In this program, learn about meteorite hunting in Antarctica with Ralph Harvey who leads the Antarctic Search for Meteorites program (ANSMET).

We talk to photographer John Weller, who spent the austral summer 2008 scuba diving under the ice in Antarctica.

Meet marine biologist George Matsumoto from the Monterey Bay Aquarium Research Institute and learn about the floating ecosytems that thrive around icebergs in Antarctic waters.

The POLENET project takes scientists all over the continent to install equipment, and to get there they leave from Williams Field, an airport near McMurdo Station. Willy Field has a runway equipped to handle the largest aircraft that fly into Antarctica. However, this runway is different; there's no pavement here - this runway is made of ice. POLENET's Stephanie Konfal gives us a look at Willy Field.

In this webcast from Antarctica, we meet up with Ted Scambos, a glaciologist from the University of Colorado and the National Snow and Ice Data Center.